Source code for matchms.filtering.metadata_processing.derive_smiles_from_inchi
import logging
from matchms.filtering.filter_utils.smile_inchi_inchikey_conversions import (
convert_inchi_to_smiles, is_valid_inchi, is_valid_smiles)
from matchms.typing import SpectrumType
logger = logging.getLogger("matchms")
[docs]def derive_smiles_from_inchi(spectrum_in: SpectrumType) -> SpectrumType:
"""Find missing smiles and derive from Inchi where possible."""
if spectrum_in is None:
return None
spectrum = spectrum_in.clone()
inchi = spectrum.get("inchi")
smiles = spectrum.get("smiles")
if not is_valid_smiles(smiles) and is_valid_inchi(inchi):
smiles = convert_inchi_to_smiles(inchi)
if smiles:
smiles = smiles.rstrip()
spectrum.set("smiles", smiles)
logger.info("Added smiles %s to metadata (was converted from InChI)", smiles)
else:
logger.warning("Could not convert InChI %s to smiles.", inchi)
return spectrum